Patient safety has been put at risk through “disastrously unsafe care” in a handful of NHS trusts, and insufficient progress is being made to improve care, according to a highly critical parliamentary study.

The House of Commons Health Committee warns targets “too often” come before patient safety and highlights inaction on measures which could save lives.

As many as one in 10 patients who enter hospital may suffer harm, while annual payouts for NHS medical negligence have climbed to more than…